Finding the Fourth Proportional to 278,175.12, 383,881.76 and 150,850.68
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Solution
The fourth proportional to 278,175.12, 383,881.76 and 150,850.68 is: 208,173.99
Step by Step Solution
- Step 1: Write the proportion equation
278,175.12 : 383,881.76 = 150,850.68 : x - Step 2: Convert to fraction form
278,175.12/383,881.76 = 150,850.68/x - Step 3: Cross multiply
278,175.12x = 383,881.76 × 150,850.68 - Step 4: Simplify right side
278,175.12x = 57,908,824,535.60 - Step 5: Solve for x
x = 57,908,824,535.60/278,175.12 - Step 6: Final answer
x = 208,173.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.